Synthesis of YAG-Al2O3 Nanocomposite Powders by Co-Precipitation Methods

Abstract

Abstract: YAG-Al₂O₃ nanocomposite powders were prepared by the co-precipitation process. The crystallize temperature and morphology of the composite powder
was intensively studied with XRD and TEM. The results indicate that above 1300℃, there is only YAG and α-Al₂O₃ phases existed.
YAG particles with an average size of 100 nm can be observed uniformly dispersed in α-Al₂O₃. Using prepared powders, nearly fully dense sintering
body can be fabricated by hot-pressing at 1450℃. The sintering temperature is far lower than 1600℃ reported by other researchers. The preparation
of YAG-Al₂O₃ nanocomposite powders based on the co-precipitation method has promising application with merits of low cost, high production and simple processing.

Key words: YAG-Al₂O₃, nanocomposite powders, co-precipitation

CLC Number:

TF123

LI Wei-Qun,GAO Lian,WANG Hong-Zhi,GUI Lin-Hua. Synthesis of YAG-Al₂O₃ Nanocomposite Powders by Co-Precipitation Methods[J]. Journal of Inorganic Materials.

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Synthesis of YAG-Al₂O₃ Nanocomposite Powders by Co-Precipitation Methods

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